Silico-Manganese Spring Steel Wire from China
Cold-drawn wire of silico-manganese steel designed for manufacturing compression and extension springs in automotive suspensions. Classified under HTS 7229.20.00 due to its specific silico-manganese alloy composition providing high yield strength and fatigue resistance. Available in round and shaped cross-sections for precision spring forming.
Duty Rate — China → United States
35%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.91.0125%Effective with respect to entries on or after September 27, 2024, articles the product of China, as provided for in subdivision (b) of U.S. note 31 to this subchapter
Import Tips
• Request supplier certification of minimum silicon (0.15-1.5%) and manganese (0.6-1.65%) content; check for tensile strength specs to validate spring steel grade; declare exact diameter to distinguish from rod products